今天在做mkdir操作时报错:Invalid file system control data detected.检查用户和权限没问题,再检查磁盘空间也没问题.最后在网上找到如下信息: [problem] # mkdir aaa mkdir: 0653-358 Cannot create aaa. aaa: Invalid file system control data detected. [solution] usually the reasons is corrupt inodes etc…

https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/HdfsDesign.html Introduction [相对于POSIX,放宽要求] The Hadoop Distributed File System (HDFS) is a distributed file system designed to run on commodity hardware. It has many similarities…

A global cylinder group (CG) cache is stored in file server memory and shared by a plurality of file systems supported by the file server. The global CG cache comprises a number CG entries which are pre-allocated in memory. As different file systems…

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generally relates to network file systems and schemes, and more particularly, to a network file system that appears to its clients to be a single file system, while locating…

A treewalk for splitting a file directory is disclosed for parallel execution of work items over a filesystem. The given work item is assigned to a worker. Thereafter, a request is sent to split the file directory to share a portion of the file direc…

SRC=http://www.cs.rutgers.edu/~pxk/416/notes/13-fs-studies.html Paul Krzyzanowski April 24, 2014 Introduction We've studied various approaches to file system design. Now we'll look at some real file systems to explore the approaches that were taken i…

ORACLE11G RAC alert报错如下:Errors in file /u01/app/oracle/diag/rdbms/dljyzs/dljyzs1/trace/dljyzs1_ora_81734.trc:ORA-00245: control file backup failed; target is likely on a local file system 备份日志报错如下:ORA-00245: control file backup failed; target is like…

File System Function In computing, a file system or filesystem is used to control how data is stored and retrieved. Without a file system, information placed in a storage medium would be one large body of data with no way to tell where one piece of i…

最近在思考和实践怎样应用重复数据删除技术到云存储服务中.找了些论文来读,其中<Avoiding the Disk Bottleneck in the Data Domain Deduplication File System>是鼎鼎大名的李凯教授出品,读来收益匪浅. 论文主要内容 Data Domain的去重存储系统是商业上大获成功的产品,从产品的角度来讲非常完善,其架构图如下: 去重存储系统在数据存储和重建的过程中,都需要频繁地访问数据块的索引,即图中的Segment Index.为了降低成…

环境:DB VERSION: 11.2.0.4.0RAC 2 nodes 问题:邮件显示rman备份失败,查看rman备份日志 Starting Control File and SPFILE Autobackup at 2013-12-30 04:07:02released channel: c1released channel: c2released channel: c3released channel: c4RMAN-00571: ============================…